A Chinese ounce or tael, reckoned as one-third heavier than the ounce avoirdupois.
"The antique silver ingot was marked in liang, an old unit of weight that is noticeably heavier than a standard modern ounce."
An ancient Chinese kingdom during the Zhou dynasty, a promotion of the former march of Wei
"The historian explained that while many scholars mistake it for a minor state, Liang was actually a significant ancient kingdom formed when the powerful March of Wei split off during the Zhou dynasty."